about summary refs log tree commit diff
path: root/sysdeps/i386/multiarch/s_fmaf-fma.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/i386/multiarch/s_fmaf-fma.c')
-rw-r--r--sysdeps/i386/multiarch/s_fmaf-fma.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/sysdeps/i386/multiarch/s_fmaf-fma.c b/sysdeps/i386/multiarch/s_fmaf-fma.c
new file mode 100644
index 0000000000..1775ef5dd0
--- /dev/null
+++ b/sysdeps/i386/multiarch/s_fmaf-fma.c
@@ -0,0 +1,29 @@
+/* FMA version of fmaf.
+   Copyright (C) 2010-2015 Free Software Foundation, Inc.
+   Contributed by Intel Corporation.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#ifdef HAVE_AVX_SUPPORT
+float
+__fmaf_fma (float x, float y, float z)
+{
+  asm ("vfmadd213ss %3, %2, %0" : "=x" (x) : "0" (x), "x" (y), "xm" (z));
+  return x;
+}
+#endif